/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraCommon.h
Prepares rapid iteration parameter stores for simulation by removing old parameters no longer used by functions, by initializing new parameters added to functions, and by copying parameters across parameter stores for interscript dependencies.
namespace FNiagaraUtilities { void FNiagaraUtilities::PrepareRapidIterationParameters ( const [TArray](API\Runtime\Core\Containers\TArray)< [UNiagaraScript](API\Plugins\Niagara\UNiagaraScript) * > & Scripts, const [TMap](API\Runtime\Core\Containers\TMap)< [UNiagaraScript](API\Plugins\Niagara\UNiagaraScript) *, [UNiagaraScript](API\Plugins\Niagara\UNiagaraScript) * > & ScriptDependencyMap, const [TMap](API\Runtime\Core\Containers\TMap)< [UNiagaraScript](API\Plugins\Niagara\UNiagaraScript) *, [FVersionedNiagaraEmitter](API\Plugins\Niagara\FVersionedNiagaraEmitter) > & ScriptToEmitterNameMap ) }